Ic Block Diagrams - Sony XTL-75V Service Manual

• IC Block Diagrams

– A Board –
IC101 BA3121F
OUT1 1 8
VCC
7 OUT2
VM1 2
3 AMP 6 VM2
IN1
AMP
4 5
GND IN2
IC102 LM2595SX-ADJ
COMP.
150kHz
RESET
OSC
FREQUENCY
COMP.
SHIFT
LATCH
CURRENT
LIMIT
DRIVER
COMP.
OUTPUT THERMAL
CIRCUIT LIMIT
VCC
START
UP
1 2
IC111 BR24C01AF-E2
NC 1
LOGIC
DOUT/ACK
2
NC
SERIAL MUX
ADDRESS/COUNTER
EEPROM
NC 3
DATA REGISTER
INC
H.V.PUMP/TIMING CONTROL
EN
SERIAL
GND
4
AMP
VCC
+
OP AMP
–
+
–
ACTIVE
CAPACITOR
CURRENT
SOURCE
BIAS
1.235V
+2.5V
REFERENCE
REGULATOR
+2.5V
3
8 VCC
DOUT
DIN
R/W
7
TEST
Y DEC
DATA WORD
6 SCL
LOAD
LOGIC
LOGIC
STOP 5 SDA
START
GM
4 5
IC112, 113 BA6285FP-E2
NC
24 – 21
20 19 18 17 16 15 14 13
POWER
SAVE
TSD
DRIVER
CONTROL
LOGIC
DRIVER
1 – 4
5
NC
9 – 12
6 7 8
NC
31